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Proceedings Paper

Optical measurement of oscillation frequencies of vibrating objects by means of the photo-EMF effect
Author(s): Juan Castillo M.; Silvia G. Tobón; Georgina Beltrán-Pérez; Severino A. Muñoz
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Paper Abstract

In this work an interferometric experimental setup that allows measuring the oscillation frequencies of vibrating objects is presented, using the photo-EMF effect. Due to the high sensibility of the interferometers this system can detect oscillations in the order of some nanometers. At the moment, the system can work in a frequency interval from 500 Hz to 5 kHz. However the bandwidth can be enlarged in a very simple way by changing some electronic elements, such as resistor and capacitors.

Paper Details

Date Published: 10 February 2006
PDF: 7 pages
Proc. SPIE 6046, Fifth Symposium Optics in Industry, 604614 (10 February 2006); doi: 10.1117/12.674480
Show Author Affiliations
Juan Castillo M., Benemérita Univ. Autónoma de Puebla (Mexico)
Silvia G. Tobón, Benemérita Univ. Autónoma de Puebla (Mexico)
Georgina Beltrán-Pérez, Benemérita Univ. Autónoma de Puebla (Mexico)
Severino A. Muñoz, Benemérita Univ. Autónoma de Puebla (Mexico)


Published in SPIE Proceedings Vol. 6046:
Fifth Symposium Optics in Industry
Eric Rosas; Rocío Cardoso; Juan C. Bermudez; Oracio Barbosa-García, Editor(s)

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